<div class="example-wrapper">
    <div style="margin-bottom: 5px;">
        <label>Transaction Updates: </label>
        <button onclick="updateFirstRow()">Update First Displayed Row</button>
        <button onclick="addDRow()">Add New 'D' Row</button>
        <button onclick="reset()" style="margin-left: 20px">Reset</button>
    </div>

    <div id="myGrid" class="ag-theme-quartz"></div>
</div>